gcc/testsuite/gcc.c-torture/compile/20030320-1.c

   1 /* Failed on powerpc64-linux with a segfault due to ifcvt generating
   2    conditional returns without updating dominance info.
   3    Extracted from glibc's dl-load.c.  */
   4
   5 typedef __SIZE_TYPE__ size_t;
   6
   7 static size_t
   8 is_dst (const char *start, const char *name, const char *str,
   9         int is_path, int secure)
  10 {
  11   size_t len;
  12   _Bool is_curly = 0;
  13
  14   if (name[0] == '{')
  15     {
  16       is_curly = 1;
  17       ++name;
  18     }
  19
  20   len = 0;
  21   while (name[len] == str[len] && name[len] != '\0')
  22     ++len;
  23
  24   if (is_curly)
  25     {
  26       if (name[len] != '}')
  27         return 0;
  28
  29
  30       --name;
  31
  32       len += 2;
  33     }
  34   else if (name[len] != '\0' && name[len] != '/'
  35            && (!is_path || name[len] != ':'))
  36     return 0;
  37
  38   if (__builtin_expect (secure, 0)
  39       && ((name[len] != '\0' && (!is_path || name[len] != ':'))
  40           || (name != start + 1 && (!is_path || name[-2] != ':'))))
  41     return 0;
  42
  43   return len;
  44 }